Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 4c47A 4oy2A 4oy2B 4c47A 100 65 82 4oy2A 89 100 63 4oy2B 76 65 100 FOLD SIMILARITY (Z-SCORE) 4c47A 4oy2A 4oy2B 4c47A 26.9 0 0 4oy2A 0 54.4 0 4oy2B 0 0 30.6